Datasheet

4/1/2010 - 1 - www.onsemi.com
Schematic for the NCL30001LEDGEVB Evaluation Board
R16
1
3
2
4
NCL30001 CVCC, 90 Watt Power Supply
Primary Control Side Schematic
AC
In
F1
2.5A
C1
C2
L1
R1
T1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
L2
D1 - D4
1N5406 x 4
0.47
"X"
0.47
"X"
1M
0.5W
0.1uF
600V
C3
D5
MRA4007T
1.5KE440A
Z1
R2
560K
0.5W
C4
22uF
450V
D6
D7
Z2
Z3
NCL30001
U1
U2
Q1
2K
220
R3
R4
R5
R8
R7
R6
R9
R10 R11
R12
R13
R14
R15
R17
R18
R19
R20
R21
R22
R23
R25
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
10K
4.7 ohm
10 ohm
0.1
0.1
MMSD
4148
D9
MURS
160T
MURS
160T
1/2W
C27
36K
3W
100nF
400V
SPP11N80C3
100uF
35v
220uF
50V
10nF
76.8K
49.9K
56K
10nF
100K
33nF
2.2K
470pF
7.32K
10K
1nF
+
4.7uF
25V
0.10
ohm
0.5W
680pF
365K
365K
365K
332K
30.1K
Notes:
1. Crossed schematic lines are not connected.
2. Heavy lines indicate power traces/planes.
3. Z2/D9 is for optional OVP (not used).
4. L1 is Coilcraft BU10-1012R2B or equivalent.
5. L2 is Coilcraft P3221-AL or equivalent.
6. L3 is Coilcraft RFB0807-3R3L or equivalent.
7. Q1 and D8 will require small heatsinks.
SFH615A-4
1
2
5
6
1nF
NC
0.1
D10
MRA4007T
30.1K
8
11
20K
Q2
1uF
C28
C29
0.1
MMSZ5245B
2.2K
0.5W
Q3
MMBTA06LT1G
TBD
MMBTA06LT1G
J1